If sec2 \(\theta\) + tan2 \(\theta\) = 3, then the angle \(\theta\) is equal to
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1978
In a soccer competition in one season, a club had scored the following goals: 2, 0, 3, 3, 2, 1, 4, 0, 0, 5, 1, 0, 2, 2, 1, 3, 1, 4, 1 and 1. The mean, median and mode are respectively
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1978
A regular hexagon is constructed inside a circle of diameter 12cm. The area of the hexagon is
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1978
A triangle has angles 30\(^{\circ}\), 15\(^{\circ}\) and 135\(^{\circ}\). The side opposite to the angle 30\(^{\circ}\) is length 6cm. The side opposite to the angle 135\(^{\circ}\) is equal to
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1978
An arithmetic progression has first term 11 and fourth term 32. The sum of the first nine terms is
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1978
In a geometric progression, the first term is 153 and the sixth term is \(\frac{17}{27}\). The sum of the first four terms is
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1978
A pyramid is constructed on a cuboid. The figure has
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1978
A man runs a distance of 9km at a constant speed for the first 4 km and then 2 km\h faster for the rest of the distance. The whole run takes him one hour. His average speed for the first 4 km is
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1978
A canal has rectangular cross section of width10cm and breadth 1m. If water of uniform density 1 gm cm-3 flows through it at a constant speed of1000mm per minute, the adjacent sea is
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1978
If 3x - \(\frac{1}{4}\)-\(\frac{1}{2}\) > \(\frac{1}{4}\) - x, then the interval of values of x is
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1978
The minimum point on the curve y = x2 - 6x + 5 is at
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1978
A force of 5 units acts on a particle in the direction to the east and another force of 4 units acts on the particle in the direction north-east. The resultants of the two forces is
If the four interior angles of a quadrilateral are (p + 10)\(^{\circ}\), (p - 30)\(^{\circ}\), (2p - 450\(^{\circ}\), and (p + 15)\(^{\circ}\), then p is
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1978
If a circular paper disc is trimmed in such a way that its circumference is reduced in the ratio 2:5, In what ratio is the surface reduced?
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1978
Given that a*b = ab + a + b and that a0b = a + b = 1. Find an expression (not involving * or 0) for (a*b) 0 (a*c) if a, b, c, are real numbers and the operations on the right are ordinary addition and multiplication of n…
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1978
Father reduced the quantity of food bought for the family by 10% when he found that the cost of living had increased 15%. Thus the fractional increase in the family food bill is now
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1978
If y = 2x2 + 9x - 35. Find the range of values for which y < 0.
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1978
Five years ago, a father was 3 times as old as his son, now their combined ages amount to 110years. thus, the present age of the father is
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1978
What is the number whose logarithm to base 10 is 2.3482?